根据句意及首字母或汉语提示,写出各句中所缺单词的正确形式。 1. There is n o (令人信服的) evidence that smoking causes lung cancer. 2. I hope you will always be (充满精力的)when having classes. 3. She is an o scientist , for she has made great contributions to her country. 4. Her mother never shouts at her in (怒气) 5. He a to the teacher for being later for class. 6. Every year a large number of (商人) go to and from Yiwu. 7. Without the teacher's p , you can't play with the computer in our classroom. 8. The company in NanJing e about 20000 boxes of wine to the UK last year. 9. She is s to support a family on a very low income. 10. He was ill and (因此)could not come.